AS3448 107.242.0.0/21 CIDR and IP Range Summary.ASN: 3448 - AT&T Mobility LLCHost Count: 2046Addressable IPs: 2048107.242.0.0/24107.242.1.0/24107.242.2.0/24107.242.3.0/24107.242.4.0/24107.242.5.0/24107.242.6.0/24107.242.7.0/24